Home / 25,400.47-38,125.31-12,262.07

Finding the Fourth Proportional to 25,400.47, 38,125.31 and 12,262.07

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Solution

The fourth proportional to 25,400.47, 38,125.31 and 12,262.07 is: 18,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.47 : 38,125.31 = 12,262.07 : x
  2. Step 2: Convert to fraction form
    25,400.47/38,125.31 = 12,262.07/x
  3. Step 3: Cross multiply
    25,400.47x = 38,125.31 × 12,262.07
  4. Step 4: Simplify right side
    25,400.47x = 467,494,968.05
  5. Step 5: Solve for x
    x = 467,494,968.05/25,400.47
  6. Step 6: Final answer
    x = 18,404.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.